Alcula now features a simple statistics calculator for calculating averages (mean, median and mode) and measures of dispersion (standard deviation, ranges etc.) from a set of numerical values that you provide. You can paste your data from a spreadsheet or a text file or enter the individual values manually.

## Posts Tagged ‘Online Calculator’

### The new Statistics Calculator

Friday, May 21st, 2010### Scientific calculator skins

Monday, March 8th, 2010Following the nice comments received about the new calculator’s functionality, and since no new bugs were reported, I had time to work a bit on the scientific calculator’s look. The new version adds two user selectable color themes: ‘Wooden’ and ‘Smoke’, the original theme is now called ‘Classic’.

### Complex Numbers Calculator (The Square Root of -1 is not NaN)

Tuesday, January 19th, 2010The **online scientific calculator now supports complex numbers operations**. Complex numbers can be input in **Cartesian, Polar, or Exponential form**. You can also use the calculator to convert to and from cartesian, polar or exponential. Read on to find out more.

### Scientific Calculator Notation and Precision

Monday, January 11th, 2010## How to change the notation and precision displayed by the online scientific calculator

The latest release of the online scientific calculator includes a new functionality: The preferences window. Here you can set the display format for the calculator results. This article gives a bit more information on how the calculator stores numbers internally, it’s precision limitations and explains how to use this new feature.

### How to use the Random Function of the Scientific Calculator

Thursday, December 17th, 2009As seen in a previous post, the new online scientific calculator now has a **random generator function**. This article describes the new function in detail and how to use it for generating **random integers** within a specified interval or for simulating random events such as the rolling of a dice.

### Least Common Multiple (LCM) and ROUND functions added to the calculator

Wednesday, December 9th, 2009The **LCM **and **ROUND **functions have been added to Alcula’s Online Scientific Calculator’s release 0.7.

This article describes what they are and how to use them.

### INT and GCD, new functions of the Online Scientific Calculator

Tuesday, November 3rd, 2009With the latest release (0.6) of the Online Scientific Calculator, come two new functions: **INT (Integer) **and **GCD (Greatest Common Divisor)**. Here is a brief explanation of how they work and why they are useful.

### The RPN Calculator

Tuesday, October 27th, 2009Alcula’ has finally a simple RPN calculator. It’s a very simple small program entirely written in Javascript that loads lightning-fast, ideal for slow internet connections. This article describes how it works.

### Edit and Drag Functions

Tuesday, October 20th, 2009A few more improvements to the Online Scientific Calculator…

After implementing functions, in last version, this new release, 0.5, brings a bit of polishing to existing functionalities.

Here is what you will find in the new version:

- You can edit an existing function by clicking on it’s body
- The User Function window is now hidden automatically if no function is defined.
- The User Function window resizes to show the full text of the function.
- You can now drag a function from the User Function List to the calculator.
- Bigger keyboard and display for easier reading.